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GB 31633-2014

GB 31633-2014_English: PDF (GB31633-2014)
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GB 31633-2014English70 Add to Cart 0--3 minutes. Auto-delivered. National Food Safety Standard -- Food Additives -- Hydrogen GB 31633-2014 Valid GB 31633-2014

BASIC DATA
Standard ID GB 31633-2014 (GB31633-2014)
Description (Translated English) National Food Safety Standard - Food Additives - Hydrogen
Sector / Industry National Standard
Classification of Chinese Standard C54
Classification of International Standard 67.020
Word Count Estimation 3,372
Date of Issue 2014/12/24
Date of Implementation 2015/5/24
Administrative Organization National Health and Family Planning Committee
Regulation (derived from) Health Planning Commission Bulletin 2014 No. 21
Issuing agency(ies) National Health and Family Planning Commission of the People's Republic of China
Summary This Standard is applicable to cracking, after purification by electrolysis hydrogen production of food additives.

GB 31633-2014
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
National Food Safety Standard -
Food Additive - Hydrogen
食品添加剂 氢气
ISSUED ON: DECEMBER 24, 2014
IMPLEMENTED ON: MAY 24, 2015
Issued by: National Health and Family Planning Commission of the PRC
Table of Contents
1 Scope ... 3
2 Molecular formula and relative molecular mass ... 3
3 Technical requirements ... 3
Appendix A Test method ... 4
National Food Safety Standard -
Food Additive - Hydrogen
1 Scope
This Standard is applicable to food additive hydrogen which is produced through
purification after splitting and electrolysis.
2 Molecular formula and relative molecular mass
2.1 Molecular formula
H2
2.2 Relative molecular mass
2.02 (according to the international relative atomic mass in 2011).
3 Technical requirements
3.1 Sensory requirements
It shall be in accordance with Table 1.
GB 31633-2014
(National food safety standard.Food Additives.Hydrogen)
National Standards of People's Republic of China
National Food Safety Standard
Hydrogen Food Additives
Published 2014-12-24
2015-05-24 implementation
People's Republic of China
National Health and Family Planning Commission issued
National Food Safety Standard
Hydrogen Food Additives
1 Scope
This standard applies to cleavage, the electrolytic production of purified hydrogen food additives.
Molecular formula and relative molecular mass 2
Formula 2.1
H2
2.2 relative molecular mass
2.02 (according to 2011 international relative atomic mass).
3 Technical requirements
3.1 Sensory requirements
Shall comply with the requirements in Table 1.
Table 1 Sensory requirements
Project requires test methods
Color
status
colorless
gas
Colorless transparent pressure hose connected to the cylinder outlet, opening and closing at a short
Valves, and observe the color line in the state of natural light
3.2 Physical and Chemical Indicators
Shall be in accordance with Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Hydrogen (H2, φ) /% ≥ 99.9 Appendix A A.3
Oxygen (O2, φ) /% ≤ 0.001 GB/T 3634.1
Nitrogen (N2, φ) /% ≤ 0.07 GB/T 3634.1
Water (H2O, φ) /% ≤ 0.005 GB/T 5832.2
Appendix A
Testing method
A.1 Warning
The standard test methods used in the high-pressure cylinders, the operation and take appropriate safety precautions.
A.2 Identification Test
Collecting a test gas tube, the glass tube connected to a conduit, ignition gas conduit opening test, pale blue flame, burning dried
Cup liquid bead over the flame appears. Then quickly reversed beaker, adding a small amount of lime to clarify, clarify the lime unchanged cloudy.
A.3 measuring hydrogen (H2) content
Hydrogen (H2) content in volume fraction φ, calculated according to formula (A.1).
φ = 100% - (φ1 φ2 φ3) (A.1)
Where.
--- Press volume fraction phi GB/T 3634.1 Determination of oxygen,%;
The volume fraction of [Phi] 2 --- Press GB/T 3634.1 Determination of nitrogen,%;
[Phi] 3 --- Press GB/T 5832.2 Determination of the volume fraction of water,%.